This cohort study evaluates the influence of vegetarian diets on the incidence of colorectal cancers.
Reimers et al examine whether survival benefit associated with low-dose aspirin use after a diagnosis of colorectal cancer might depend on HLA class I antigen expression. Neugut provides an invited commentary.
Fowler et al surveyed how patients 40 years and older describe the decision-making process for 10 common medical decisions, including 6 that are most often made in primary care. See the Invited Commentary by Lipkin.